How does cultural diffusion affect civilization

Why did the actions taken at the congress of vienna inspire the nationalists movement across europe in the 1800s. a)the congress of vienna prevented former leaders from regaining control of their countries creating chaos. b)the congress of vienna imposed british rule over the entire continent of europe, upsetting monarchs. c) the congress of vienna established democracies across europe that had little power or organization. d) the congress of vienna put the absolute monarchs back in power upsetting commoners

Erikson's theory of personality grants more power to the than freud had allowed.

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society